Questar's Businesses Retail Gas Distribution Questar Gas provides retail natural gas-distribution service to nearly 900,000 customers in Utah, southwestern Wyoming and southeastern Idaho. Questar Gas is regulated by public service commissions in Utah and Wyoming. Interstate Gas Transportation & Storage Questar Pipeline transports and stores natural gas. Questar's pipelines interconnect with major regional pipelines, and its system is strategically located to serve major gas-producing basins in the Rockies. Questar Pipeline owns and operates the Clay Basin storage facility, the largest underground-storage reservoir in the Rocky Mountain region. Gas Development and Production Wexpro develops and produces gas for affiliate Questar Gas under the terms of a long-standing agreement with the states of Utah and Wyoming. Questar's corporate headquarters are located in Salt Lake City, Utah.
Questar Corporation was founded in 1984 and is headquartered in Salt Lake City, US